Check whether the oil pump, control valve and pressure gauge of the 630-ton hydraulic machine are normal, and whether the oil temperature is within the allowable range;2. Check whether there are crack
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① Before starting, the pump must be filled with clean hydraulic oil through the oil return port on the pump casing, otherwise it is not allowed to start.②Turn the coupling by hand to check whether the
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The function of the filter plate in the 200-ton four-column hydraulic press is to filter out impurities mixed in the hydraulic oil, reduce oil pollution in the system, and ensure the routine work of t
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After installing the filter in the proper position of the 100-ton four-column hydraulic press, you can start working. Its main function is to filter the pollutants generated during the processing. Aft
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1、Carefully check and clean the hydraulic oil tank before refueling the 1000 ton hydraulic press. After filtering the oil through a filter of 100 mesh or larger, inject it into the fuel tank. The hydr
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① check whether the internal leakage increases due to abrasion and strain between the plunger of the small hydraulic press pump and the hole of the cylinder body, and the joint surface of the oil dist
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